slimslicker
U.L. and C.S.A # 22KJ(1976)E31 TRADE MARK THE GLOBE ENERGY MIZER 1972-76 KJ IDENTIFIES PARENTS SURNAMES K FOR KLEIMEER J FOR JHOGN SWEYMER CHECK CORRECT
1 Answer
Colleen
Wiki-pedia
Compact fluorescent lamp
The parent to the modern fluorescent lamp was invented in the late 1890s by Peter Cooper Hewitt.[4] The Cooper Hewitt lamps were used for photographic studios and industries.[4]
Edmund Germer, Friedrich Meyer, and Hans Spanner then patented a high pressure vapor lamp in 1927.[4] George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941.
http://en.wikipedia.org/wiki/Compact_fluorescent_lamp
Compact fluorescent lamp
The parent to the modern fluorescent lamp was invented in the late 1890s by Peter Cooper Hewitt.[4] The Cooper Hewitt lamps were used for photographic studios and industries.[4]
Edmund Germer, Friedrich Meyer, and Hans Spanner then patented a high pressure vapor lamp in 1927.[4] George Inman later teamed with General Electric to create a practical fluorescent lamp, sold in 1938 and patented in 1941.
http://en.wikipedia.org/wiki/Compact_fluorescent_lamp
| 14 years ago. Rating: 0 | |
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